FAA Approved Airplane Flight Manual Supplement

190-00716-02 Rev. 3 Hawker Beechcraft King Air 300/300LW
FAA APPROVED Page 37 of 167
NOTE
The maximum altitude lost during malfunction tests was:
Cruise – 230 Feet
Descent – 555 Feet
Maneuvering – 170 Feet
Glideslope/Glidepath Approach – 79 Feet
Non-Precision Approach – 100 Feet
UNSCHEDULED RUDDER BOOST ACTIVATION
These procedures supersede the airplane’s UNSCHEDULED RUDDER BOOST ACTIVATION
AFM checklist items.
Rudder boost operation without a large variation of power between the engines indicates a failure of
the system.
1. AP/YD DISC / TRIM INTRPT Button ................................................................ PRESS AND HOLD
2. Rudder Boost ............................................................................................................................ OFF
If Condition Persists:
3. AFCS SERVOS Circuit Breaker ....................................................................................... PULL, or
4. Either Bleed Valve .......................................................................................... PNEU & ENVIR OFF
5. Perform Normal Landing
NOTE
Pulling the AFCS SERVOS circuit breaker will render the autopilot, yaw damper and rudder boost
systems inoperative.